The influence of organic and conventional crop management, variety and year on the yield and flavonoid level in common buckwheat groats

► Identical the thousand achenes weight and achene yield in organic and conventional farming. ► Higher level of rutin and epicatechin gallate in organic groats. ► Rutin and epicatechin dominant flavonoids in buckwheat groats. ► Presence of catechin and epicatechin gallate in buckwheat groats.